The KVM400M-U is a popular graphics card manufactured by Mercury. This driver fixes screen glitches, unwanted artifacts, stuttering or glitchy video and even screen tearing. This version of "Driver_VGA_KM400-KM266_PRO-P4M800.exe" is rated (5 out of 5 stars) based on 68 downloads and 10 reviews. The total disk space used for this update is 10.2 MB.
KVM400M-U
Not Applicable
Driver_VGA_KM400-KM266_PRO-P4M800.exe (10.2 MB)
AMD K7 (Socket A) Mainboard w/ VIA KM400
VGA Driver File
Sathishkumar (DG Staff Member) on 7-Dec-2009
To get the KVM400M-U driver, click the green download button above. After you complete your download, move on to Step 2.
If the driver listed is not the right version or operating system, search our driver archive for the correct version. Enter Mercury KVM400M-U into the search box above and then submit. In the results, choose the best match for your PC and operating system.
Tech Tip: If you are having trouble deciding which is the right driver, try the Mercury Driver Update Utility. It is a software utility which automatically finds and downloads the right driver.
To find the newest driver, you may need to visit the Mercury website. Most major device manufacturers update their drivers regularly.
To install your new driver on Windows:
Right-click the Start button.
Click "Device Manager">
Find your device in the list.
Right-click the device and select "Update driver"
Follow the steps on screen.
Restart your computer when done.
This keeps your computer working at its best.
Tech Tip: Driver downloads and updates come in a variety of file formats with different file extensions. For example, you may have downloaded an EXE, INF, ZIP, or SYS file. Each file type has a slighty different installation procedure to follow.
For more help, visit our Driver Support Page for step-by-step videos on how to install drivers for every file type.